A. Maxillary first molar
B. Mandibular second premolar
C. Mandibular first molar
D. Maxillary second premolar
✅ The correct answer is option A. Maxillary first molar.
Oral Anatomy
The mesial surface of the crown is almost parallel to long axis and the root of a______________?
A. Maxillary 1st premolar
B. Mandibular 2nd premolar
C. Maxillary canine
D. Mandibular canine
✅ The correct answer is option D. Mandibular canine.
Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?
A. Only molars
B. All teeth except third molars
C. 1,2,4,5,6,7 in all quadrants
D. 1,2,6 in all quadrants
✅ The correct answer is option D. 1,2,6 in all quadrants.
Cervical cross section of maxillary first premolar is_____________?
A. Dumbell
B. Kidney shape
C. Elliptical
D. Oval
✅ The correct answer is option B. Kidney shape.
Which of the following teeth have more than one occlusal form____________?
A. Maxillary 1st premolar
B. Maxillary 2nd premolar
C. Maxillary 1st molar
D. Mandibular 1stmolar
✅ The correct answer is option C. Maxillary 1st molar.
Largest tooth in the mandibular arch is_________________?
A. Canine
B. Decidous first molar
C. Permanent first molar
D. Third molar
✅ The correct answer is option C. Permanent first molar.
Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?
A. Mandibular centrals
B. Mandibular laterals
C. Both A and B
D. None of the above
✅ The correct answer is option C. Both A and B.
How many roots does a primary maxillary first molar have ___________?
A. One
B. Two
C. Three
D. Four
✅ The correct answer is option C. Three.
Normal dentition in centric occlusion, opposing contact may be expected at_____________?
A. Buccals slopes of buccal cusps of maxillary posterior teeth
B. Buccal slopes of lingual cusps of maxillary posterior teeth
C. Lingual slopes of lingual cusps of mandibular posterior teeth
D. All slopes of lingual cusps of mandibular posterior teeth
✅ The correct answer is option B. Buccal slopes of lingual cusps of maxillary posterior teeth.
Following eruption , the root of the maxillary central incisor completes development at what approximate age ?
A. 7 years
B. 8 years
C. 9 years
D. 10 years
✅ The correct answer is option D. 10 years.